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# Licensed under the Apache License, Version 2.0 (the "License");
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cdef extern from "melon/Optional.h" namespace "melon" nogil:
    cdef cppclass cOptional "melon::Optional"[T]:
        cOptional()
        cOptional(T val)
        bint has_value()
        T value()
        T value_or(T altValue)
        T* get_pointer()
        void reset()
        void assign(T newValue)

    cOptional[T] make_optional[T](...) except +
